Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
Leeuwin-Naturaliste National Park, Australia in September
Weather score38Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 93mm, so some wet days are possible.
September weather
Monthly averages
Temp
17°C
Rain
93mm
Sun
6.5h
Sea
18°C
Weather score
38
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 93mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Leeuwin-Naturaliste National Park, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September17°C average high
September has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September93mm average rain
September sits near Leeuwin-Naturaliste National Park's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.5 hours average sun
September sits close to Leeuwin-Naturaliste National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September18°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to June
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
September38 weather score
September scores below Leeuwin-Naturaliste National Park's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.